Three-dimensional printer frame



FIG. 1 is a top perspective view of a design for a three-dimensional printer frame, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines immediately adjacent to the shaded areas, and depicting unshaded regions, depict the bounds of the claimed design, while all other broken lines are directed to environment. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a three-dimensional printer frame, as shown and described. 